TWI717643B - Wire netting device, wire netting, methodfor manufacturing a wire netting, method for identifying a suitablewire of high-tensile steel for a wire netting device, method for producing a wire netting device, and test device for testing a corrosion resistance of at least one test piece of a wire of a wire netting device - Google Patents

Abstract

The present invention relates to a wire mesh device, especially a protective mesh device, which has at least two mesh elements (10a-g) joined to each other, wherein at least one mesh element (10a-g) is composed of at least one monofilament, tow , Strands, ropes and/or other longitudinal elements having at least one wire (12a-g) composed at least partially of high-strength steel (74a-g), wherein the wire ( 12a-g) has at least one anti-corrosion protection structure (14a-g), especially an anti-corrosion protection layer (16a-c; 16e-g). It is proposed that at least one section of the wire (12a-g), especially at least one section of the wire braid (18a-g) composed of the wire (12a-g), uses the corrosion protection The structure (14a-g), especially the anti-corrosion protection layer (16a-c; 16e-g) has more than 1680 hours in the test experiment by climate change test, preferably more than 2016 hours, advantageously more than 2520 hours, more The corrosion resistance is preferably greater than 3024 hours and particularly preferably greater than 3528 hours.

Description

Screen device, screen, method for manufacturing screen, used for identification of screen Method of suitable wire material made of high-strength steel of device, method of manufacturing wire mesh device, and test device for testing the corrosion resistance of at least one test piece of wire material of wire mesh device

The present invention particularly relates to: the screen device of the preamble of the first item of the scope of patent application, the method for identifying suitable wire materials in the preamble of the 15th item of the patent application, such as the method for identifying suitable wire materials, such as the 16th, The method for manufacturing the screen device of the preamble of Item 17 and 18, and the test device for testing the corrosion resistance of at least one test piece of the wire material of the screen device as in the scope of the patent application.

It has been proposed that the wire material of the wire mesh device has an anti-corrosion protective coating.

The object of the present invention is especially to provide a device of the same type with high durability. According to the present invention, this objective is achieved by the features of items 1, 15, 16, 17, 18 and 20 in the scope of the patent application, and the advantageous design solutions and improvements of the present invention can be obtained from the scope of the attached patent application.

The present invention relates to a wire mesh device, especially a protective mesh device, which has at least two mesh elements joined to each other, wherein at least one mesh element is composed of at least one monofilament, tow, strand, The wire rope and/or other longitudinal elements are made of at least one wire at least partially, preferably completely composed of high-strength steel except for the coating, wherein the wire has at least one corrosion protection structure , Especially the anti-corrosion protective layer.

It is proposed that at least one section of the wire material, especially at least one section of the wire braid composed of the wire material, uses the anti-corrosion protection structure, especially the anti-corrosion protection layer in the test by the climate change test In the experiment, the corrosion resistance is greater than 1680 hours, preferably greater than 2016 hours, advantageously greater than 2520 hours, more preferably greater than 3024 hours, and particularly preferably greater than 3528 hours. Thus, the wire material, especially the wire mesh device and/or the wire mesh, preferably the high resistance of the protective mesh, can be advantageously realized, here, especially for corrosive environmental conditions, such as weather conditions, Advantageously, a long service life of the wire, especially the wire mesh device and/or the wire mesh can be achieved, so that the repair and/or maintenance cost can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved.

The "wire mesh device" preferably includes a knitted fabric, especially at least a part of a silk knitted fabric. "Net element" should be understood especially as a screen device, especially a screen, preferably a particularly detachable basic element of the protective net, which forms the screen by joining adjacent basic elements to each other. The mesh element is in particular formed as a filament-like formation, in particular a filament formation, which consists, for example, of at least one monofilament material, at least one filament bundle, at least one filament strand and/or at least one filament rope. The filamentous formation, especially the filament formation, can especially have two open ends or be closed. Preferably, the filamentous formation, especially the filament formation, is in an unloaded state at least approximately in one plane. The mesh element may in particular have an irregular shape or preferably a regular shape, which is at least partially circular, rhombic and/or uniform and/or irregular polygonal. In particular, different net elements of the protective net may have different shapes, but the net elements preferably have at least substantially the same shape. Preferably, the mesh element is formed as a screw The spiral structure, in particular a flat compressed spiral structure, or a loop, in particular a wire loop. In particular, the mesh element at least partially constitutes the mesh link of the ring network or the spiral structure of the mesh mesh. Preferably, "at least substantially the same" should be understood as being the same except for manufacturing tolerances and/or within the scope of manufacturing process possibilities.

In this context, "wire" should be understood in particular as a body that is elongated and/or thin and/or at least mechanically bendable and/or flexible. Advantageously, the wire has an at least approximately constant, in particular circular or elliptical cross-section in its longitudinal direction. Particularly advantageously, the wire is formed as a round wire. However, it is also conceivable that the wire is at least partially or completely formed as a flat wire, a square wire, a polygonal wire and/or a profiled wire. For example, the wire may be at least partially or completely composed of metal, especially metal alloy, and/or organic and/or inorganic plastic and/or composite materials and/or inorganic non-metallic materials and/or ceramic materials. In particular, the wire may be at least partially constituted as a composite wire, for example as a metal-organic composite wire and/or a metal-inorganic composite wire and/or a metal-polymer composite wire and/or a metal-metal Composite wire, etc. In particular, it is conceivable that the wire comprises at least two different materials, which are arranged with respect to each other and/or at least partially mixed with each other according to the composite geometry. Advantageously, the wire is formed as a metal wire, especially a steel wire, especially a stainless steel wire. Advantageously, the wire, especially the tow, the wire strand, the wire rope and/or the other longitudinal element with the at least one wire is at least partially, especially in addition to the coating, completely composed of high strength Made of steel. Preferably, the wire is a high-strength steel wire. For example, the high-strength steel may refer to spring steel and/or wire steel and/or steel suitable for wire ropes. In particular, the wire having at least 800Nmm ^-2, advantageously at least 1000Nmm ^-2, particularly advantageously at least 1200Nmm ^-2, and preferably at least 1400Nmm ^-2 1600Nmm tensile strength of at least ^plus-2, in particular about 1770Nmm ^-2 or about 1960Nmm ^-2 tensile strength. It is also conceivable that the wire has an even higher tensile strength, for example a tensile strength of at least 2000 Nmm ^-2 , or at least 2200 Nmm ^-2 , or even at least 2400 Nmm ^-2 . As a result, high load-bearing capacity, especially high tensile strength and/or high rigidity, can be achieved transversely to the screen. In addition, favorable bending performance can be achieved. In particular, the wire, preferably a plurality of wires, are arranged to at least partially constitute a wire braid, the wire braid especially consisting of a mesh element, preferably a spiral structure and/or a loop. "Settings" should be understood especially as special programming, deployment and/or equipment. The setting of an object to a specific function should be particularly understood as meaning that the object executes and/or implements the specific function in at least one application and/or operating state.

"Anti-corrosion protection structure" should especially be understood as a protection structure, especially a protective measure, used to avoid damage to metal components due to corrosion. The anti-corrosion protection structure may especially include an active cathodic anti-corrosion protection structure and/or a passive anti-corrosion protection structure. Passive anti-corrosion protection can be achieved especially by an anti-corrosion protection layer, preferably an anti-corrosion protection coating. "A section of wire" should be understood in particular as a section of wire that constitutes a wire mesh device, especially a wire braid, which is preferably at least 1 cm, more preferably at least 3 cm or particularly preferably at least 5 cm long. "A segment of a silk braid composed of the wire material" should be understood in particular as a braided silk fabric having at least one bend, preferably at least two bends and more preferably at least five bends The part and/or has at least one mesh element, preferably a spiral structure and/or loop, more preferably at least two mesh elements interwoven with each other, preferably a spiral structure and/or loop, more preferably at least five In particular, mesh elements that are interwoven with each other are preferably spiral structures and/or loops. "Bending part" should be particularly understood as the part of the wire where the orientation of the wire changes at least 30°, preferably at least 45°, more preferably at least 60°, especially within the length of the wire, which is less than Three wire diameters are preferably less than five wire diameters and more preferably less than ten wire diameters.

"Climate change test" should be understood as a better anti-corrosion protection structure according to VDA (Verein der Automobilindustrie, German Automobile Industry Association) Recommendation VDA 233-102, especially the corrosion resistance test of the anti-corrosion protection layer. In particular, the corrosion resistance test involves atomizing and/or spraying at least one test piece with salt mist for at least one sub-period, and/or exposing the test piece to a temperature from room temperature to minus zero for at least one sub-period The temperature changes. By changing the temperature, relative humidity and/or salt concentration to which the test piece is exposed, the reliability of the test method can be advantageously improved. In particular, the test conditions can be more closely adapted to the actual conditions exposed by the screen device, especially in field use. The test piece is preferably configured as a section of a wire that is at least substantially the same as the wire placed on the screen, and is preferably configured as a section of the wire of the screen device. The execution of the climate change test is preferably carried out according to the conventional boundary conditions for the climate change test known to those skilled in the art, as they are especially listed in the VDA Recommendation VDA 233-102 on June 30, 2013. The climate change test is especially carried out in a laboratory. The conditions inside the test chamber in the climate change test are particularly strictly controlled. In particular, strict regulations regarding temperature profile, relative air humidity, and the use of salt spray during the atomization period should be observed in the climate change test. In particular, the test loop of the climate change test is divided into seven loop parts. One test loop of the climate change test lasts especially for a week. A loop part lasts especially for one day. A test loop includes three different sub-test loops. A sub-test loop constitutes a loop part. The three sub-test loops include at least one loop A, at least one loop B, and/or at least one loop C. During the test loop, the test loop runs in the following order: loop B, loop A, loop C, loop A, loop B, loop B, loop A.

Loop A especially includes the salt spray phase. During the salt spray phase, in particular, salt spray is sprayed in the test chamber. Here, the salt solution sprayed during the loop A is especially composed of a solution of sodium chloride in distilled water that is preferably boiled before preparing the solution. The distilled water preferably has at most 20 μS/cm at (25±2)°C The electrical conductivity and the quality concentration are within the range of (10±1)g/l. The test chamber used for the climate change test especially has an internal cavity of at least 0.4 m ³ . In particular, the internal cavity is uniformly filled with salt spray during the operation of the laboratory. The upper part of the test chamber is preferably constructed so that liquid droplets formed on the surface will not fall on the test piece. Advantageously, during the spraying of the salt spray, especially the temperature in the test chamber is (35±0.5)°C, wherein the temperature is preferably measured at least 100 mm from the wall of the test chamber.

Loop B especially includes a working phase during which the temperature is maintained at room temperature (25° C.) and the relative air humidity is maintained at the typical indoor relative humidity (70%). During the working phase, in particular, the test chamber can be opened and the test piece can be inspected and/or controlled.

Loop C especially includes the freezing phase. In the freezing phase, in particular, the temperature of the test chamber is kept below 0°C, preferably at a value of -15°C.

"Corrosion resistance" should be understood in particular as the material in particular in accordance with the VDA Recommendation VDA233-102 dated June 30, 2013 corrosion test such as climate change test, especially in accordance with the standard DIN EN ISO 9227: 2006 salt spray test, Especially the durability during the sulfur dioxide test according to the standard DIN 50018:1997-6 and/or the open-air storage test, during which the functional reliability of the test piece continues to exist, and/or preferably in the corrosion test such as climate change The duration of the test, the salt spray test, the sulfur dioxide test and/or the open storage test that does not exceed the threshold value of the corrosion parameter of the test piece. "Functional reliability continues to exist" should be particularly understood as meaning that important material properties of the test piece, such as tear resistance and/or brittleness, remain largely unchanged for the functionality of the screen. "Material properties remain roughly unchanged" should be particularly understood as the change in material parameters and/or material properties compared to the initial value before the corrosion test is less than 10%, preferably less than 5%, more preferably less than 3% and particularly preferably less than 1 %. Preferably, the corrosion parameter is constituted as a percentage of the total surface area of the test piece on which dark brown rust ("dark brown rust", DBR) can be seen, especially with the naked eye. The threshold value of the corrosion parameter is preferably 5%. Therefore, it is preferable that the corrosion resistance indicates that the test piece that is visible to the naked eye ("dark brown rust", DBR) that is exposed to salt spray in the climate change test and/or the salt spray test The period over which 5% of the total surface area has passed. Preferably, the corrosion resistance is the time elapsed between the beginning of the climate change test, the salt spray test, the sulfur dioxide test, and/or the open storage test and the appearance of 5% DBR on the surface of the test piece.

In another aspect of the present invention, this other aspect can be considered alone, or can be combined with at least one aspect of the other aspects of the present invention, especially at least one aspect, especially any combination of many aspects. At least one section, especially at least one section of the silk braid composed of the wire material uses the anti-corrosion protection structure, especially the anti-corrosion protection layer has corrosion resistance in the test experiment by the climate change test, The corrosion resistance is higher than that of the wire with the same circumference, especially the corrosion resistance of another wire with the same diameter and/or preferably the same cross-section using zinc coating, the unit area of the zinc coating A quality of at least 115 g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² , especially at least one section of a silk braid composed of additional wires, Wherein, the additional wire has the same circumference, especially the same diameter and/or preferably the same cross-section, and the zinc coating, and the zinc coating has a unit area quality of at least 115g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² . Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved. "High corrosion resistance" should especially be understood to mean that the corrosion resistance is at least 5% higher, preferably at least 15% higher, advantageously at least 25% higher, more preferably at least 50% higher and particularly preferably at least 100% higher.

In addition, it is proposed that at least one section of the wire, especially at least one section of the wire braid composed of the wire, uses the anti-corrosion protection structure, especially the anti-corrosion protection layer is protected by salt spray. The test test has a corrosion resistance of more than 500 hours, preferably more than 600 hours, advantageously more than 700 hours, more preferably more than 800 hours, and particularly preferably more than 1000 hours. Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved. In addition, the screen device and/or screen can be advantageously used in places with high corrosive environmental conditions, such as in an environment with high salt content in the air, such as coastal areas, while maintaining sufficient service life and/ Or economy.

"Salt spray test" should be understood in particular as a test used to evaluate the corrosion protection structure, especially the corrosion protection effect of the corrosion protection layer. In particular, in the salt spray test, the test piece in the test chamber is subjected to a spray of a sprayed salt solution, preferably a NaCl solution, which is particularly corrosive to the test piece. The test piece is preferably configured as a section of a wire that is at least substantially the same as the wire of the screen device, and is preferably configured as a section of the wire of the screen device. The performance of the salt spray test is preferably carried out according to the conventional boundary conditions for salt spray tests known to those skilled in the art, as they are listed in particular in the standard DIN EN ISO 9227:2006. Here, the salt solution sprayed in the salt spray test is especially composed of a solution of sodium chloride in distilled water preferably boiled before preparing the solution. The distilled water preferably has at most 20 μS/cm at (25±2)°C. The electrical conductivity and the quality concentration are within the range of (50±5)g/l. In addition, the salt solution sprayed in the salt spray test particularly contains 0.001% of the maximum quality component of copper and nickel, 0.1% of the maximum quality component of sodium iodide, and 0.5% of the maximum quality component of total impurities. The pH value of the salt solution sprayed in the salt spray test is preferably in the range between 6.5 and 7.2, measured at (25±2)°C. In particular, the test chamber used for the salt spray test has an internal volume of at least 0.4 m ³ . In particular, the internal cavity is uniformly filled with salt spray during the operation of the laboratory. The upper part of the test chamber is preferably constructed so that liquid droplets formed on the surface will not fall on the test piece. Advantageously, in the salt spray test, especially the temperature in the test chamber is (35±2)°C, wherein the temperature is preferably measured at a distance of at least 100 mm from the wall of the test chamber. In the salt spray test, in particular, at least one nozzle is used to generate salt spray in the test chamber. In this case, it is better to use water wetting compression at a temperature between 45°C and 52°C before spraying the salt spray The air pressure is between 70kPa and 140kPa. The sample is preferably kept as contactless as possible in the holding unit for performing the salt spray test, wherein, in particular, a coating material such as tape or wax is used to protect the cut edges. The holding unit is preferably composed only of non-metal, preferably an electrically insulating material. In particular, the sample is not directly sprayed through the nozzle when performing the salt spray test. The test piece in the holding unit is especially held during the salt spray test, so that the longitudinal direction of the test piece, especially the test piece, is sandwiched between 15° and 25° with a vertical line that preferably extends parallel to the direction of gravity. It is best to be as close as possible to an angle of 20°. The test piece in the holding unit is especially held during the salt spray test, so that the test piece does not contact the wall of the test chamber. The test piece in the holding unit is especially held during the salt spray test, so that the test piece, especially the surface of the test piece, is completely exposed to the salt spray as much as possible. The test piece in the holding unit is especially held during the execution of the salt spray test, so that droplets of the salt solution are excluded from dripping from the test piece and/or from the holding unit onto another test piece below.

In addition, it is proposed that at least one section of the wire, especially at least one section of the wire braid composed of the wire, uses the anti-corrosion protection structure, especially the anti-corrosion protection layer is protected by salt spray. The test has corrosion resistance in the test experiment. The corrosion resistance is higher than that of the wire with the same circumference, especially the same diameter and/or preferably the same cross-section of another wire using zinc coating. Corrosive, the quality per unit area of the zinc coating is at least 115 g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² , especially composed of another wire material At least one section of the silk braid, wherein the additional wire has the same circumference, in particular the same diameter and/or preferably the same cross-section, and a zinc coating, the quality per unit area of the zinc coating It is at least 115 g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² . Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved.

In addition, it is proposed that at least one section of the wire with the anti-corrosion protection structure, especially the anti-corrosion protection layer, is especially composed of the wire with the anti-corrosion protection structure, especially the anti-corrosion protection layer. At least one section of the silk braid made of materials has a resistance of more than 500 hours, preferably more than 600 hours, advantageously more than 700 hours, more preferably more than 800 hours and particularly preferably more than 1000 hours in the test experiment by the sulfur dioxide test Corrosive. Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved. In addition, the screen device and/or screen can be advantageously used in places with highly corrosive environmental conditions, for example, in an environment where the concentration of corrosive gases such as sulfur dioxide (SO ₂ ) in volcanic active zones increases, while Maintain sufficient service life and/or economy.

The "sulfur dioxide test" should be especially understood as a sulfur dioxide corrosion test (Kesternich test), which is preferably used to evaluate the corrosion protection structure, especially the corrosion protection effect of the corrosion protection layer. In particular, in the sulfur dioxide test, the test piece in the test chamber is subjected to the action of a gas environment containing sulfur dioxide, and the gas environment of the sulfur dioxide particularly has a corrosive effect on the test piece. The performance of the sulfur dioxide test is preferably carried out according to the conventional boundary conditions of the sulfur dioxide test known to the person skilled in the art, as it is especially listed in the standard DIN 50018:1997-6. In particular, the sulfur dioxide test includes at least one test loop, preferably multiple test loops. The test loop of the sulfur dioxide test preferably includes at least two stages, the boundary conditions of which, especially the temperature of the test chamber and/or the relative humidity of the test chamber, are particularly different from each other. The volume concentration of sulfur dioxide in the total internal volume of the test chamber at the beginning of the test loop of the sulfur dioxide test, especially the first stage of the test loop of the sulfur dioxide test, was about 0.33% in the sulfur dioxide test. Alternatively, it is conceivable that a sulfur dioxide test with a sulfur dioxide concentration approximately twice as large, that is, a volume percentage of approximately 0.67%, can be performed. In particular, the hourly value of corrosion resistance produced by this is reduced by about half. In particular, during the test loop of the sulfur dioxide test, the sulfur dioxide concentration is especially reduced due to the dissolution of sulfur dioxide in water, and the effective sulfur dioxide concentration is preferably about one-seventh of the initial sulfur dioxide concentration. During the first phase of the test loop of the sulfur dioxide test, the temperature of the test chamber was especially in the range of (40±3)°C. During the first phase of the test loop of the sulfur dioxide test, the relative humidity of the test room air was particularly 100%. Preferably, in the first stage of the test loop of the sulfur dioxide test, condensation occurs on the surface of the test piece. The first phase of the test loop of the sulfur dioxide test preferably lasts for 8 hours, which especially includes heating of the test chamber. During the second phase of the test loop of the sulfur dioxide test, the temperature of the test chamber was especially in the range between 18°C and 28°C. During the second phase of the test loop of the sulfur dioxide test, the relative humidity in the test room was in particular a maximum of 75%. The second phase of the test loop of the sulfur dioxide test preferably lasts for 16 hours, which especially includes the cooling and ventilation of the test chamber for about 1.5 hours. Test in sulfur dioxide test During the loop, the volume component of the water level in the bottom area of the test chamber is preferably at most 0.67%. Preferably, during the sulfur dioxide test, the test piece is vertically arranged in the test chamber along the direction of gravity. When performing the sulfur dioxide test, the test loop of the sulfur dioxide test is preferably performed continuously for such a long time, especially multiple times, until the value of the corrosion resistance can be determined, preferably until the corrosion parameter of the test piece exceeds the determined threshold.

In addition, it is proposed that at least one section of the wire, especially at least one section of the wire braid composed of the wire, uses the anti-corrosion protection structure, especially when the anti-corrosion protection layer is tested by sulfur dioxide Corrosion resistance in the test experiment, the corrosion resistance is higher than the same perimeter as the wire, especially the same diameter and/or preferably the same cross-section of another wire using zinc coating corrosion resistance The quality per unit area of the zinc coating is at least 115 g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² . Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved.

shima(奄美大島)：(1)尤其是在所有四個方位距離海岸不到2km；(2)具有尤其每年至少160個降水日，其中，較佳一年中每月超過10個降水日；(3)具有尤其超過10℃的年平均溫度幅度；(4)具有尤其低於20℃的年平均溫度幅度；(5)具有尤其至少-2℃的年平均溫度最小值；(6)具有至多23℃的年平均溫度最大值；(7)具有尤其至少500mm的年平均降水量；(8)具有尤其至多800mm的年平均降水量；(9)具有尤其至少2500W/m²/日的年平均日射率；(10)具有尤其至多3500W/m²/日的年平均日射率；(11)具有尤其至少15kts的最小年平均風速，其中，一年中每月的月平均風速超過10kts；(12)具有尤其是在一年中每月超過60%的根據蒲福風級(Beaufort Skala)的風力強度大於或等於4的風概率； (13)具有尤其是大於85%的年平均相對空氣濕度，其中，一年中每月的月平均相對空氣濕度超過75%。尤其地，平均值至少包括過去10年，尤其是2006至2016年期間，較佳過去15年，尤其是2001至2016期間並且較佳過去25年，尤其是1991至2016年期間。「限定的期間」包括尤其至少一年，較佳至少兩年，有利地至少三年，更佳至少五年並且尤佳至多十年。「腐蝕明顯更少」應尤其理解為在至少一個試件的絲表面上的受腐蝕位置的數量減少至少5%，較佳至少減少10%，更佳減少至少25%並且尤佳減少至少50%，及/或至少一個試件的受腐蝕面積相對於整個絲表面至少減少5%，較佳至少減少10%，更佳至少減少25%，並且尤佳至少減少50%。「大致相同成形的部段」尤其是在以生產技術為條件的偏差及/或差異的範圍內是相同的。較佳地，該絲材和該另外的絲材尤其是除了塗層之外具有至少大致相同的橫截面。 In addition, it is proposed that at least one section of the wire, especially at least one section of the wire braid composed of the wire, uses the anti-corrosion protection structure, especially the anti-corrosion protection layer in the open storage test Especially in a highly corrosive environment, within a limited period of time with the same length, the same circumference, especially the same diameter and/or preferably the same cross-section of another wire, especially at the same time subjected to the same open air The section of the storage test, preferably at least approximately the same shape, is significantly less corroded than the zinc coating, especially the number of corroded parts on the wire surface of the at least one section is less and/or the total area is greater The quality per unit area of the zinc coating is at least 115 g/m ² , preferably at least 150 g/m ² , advantageously at least 200 g/m ² and preferably at most 215 g/m ² . Thereby, the wire material, especially the wire mesh device and/or the wire mesh, can be advantageously realized, preferably protecting the mesh, especially high resistance to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the wire material, especially the wire mesh device and/or the wire mesh can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen device and/or screen can be advantageously improved. "Open storage test" should be especially understood as the controlled open storage of specimens under real environmental conditions. Preferably, in the open-air storage test, at least one test piece and/or at least one reference piece remains fixed, especially when the at least one test piece and/or at least one reference piece is exposed to comparable environmental conditions and/or weather conditions s position. "Weather conditions" should especially be understood as wind, precipitation, icing, frost, insolation rate, air humidity and/or temperature. "Environmental conditions" should be understood particularly as atmospheric gas concentration, aerosol particle concentration and/or external influences unrelated to weather, such as vegetation. In particular, the open-air storage test "in a strongly corrosive environment" should be understood as open-air storage at an open-air storage place that has an increased salt concentration in the air, and the oxidizing gas in the air such as SO _x , NO The increased concentration of _x , O ₃ and/or Cl compounds, and/or the increased concentration of oxidizing particulate components in the air, such as SO ₄ , NO ₃ and/or OH. "Increased" should especially be understood as being at least 50% higher than the global average, preferably at least 100% and more preferably at least 300%. In particular, the open-air storage place is constituted as a place that meets at least 8 out of 13 of the following criteria, preferably at least 10 out of 13, advantageously at least 12 out of 13, more preferably at least 13 out of 13 and / Or especially located in Helgoland (Helgoland) in Germany and / or Amami in Japan-

shima (Amami Oshima): (1) Especially in all four directions less than 2km from the coast; (2) Especially having at least 160 precipitation days per year, of which, preferably more than 10 precipitation days per month in a year; 3) Have an annual average temperature range especially over 10℃; (4) Have an annual average temperature range especially lower than 20℃; (5) Have a minimum annual average temperature especially at least -2℃; (6) Have at most 23 The maximum annual average temperature of ℃; (7) Have especially at least 500mm annual average precipitation; (8) Have especially at most 800mm annual average precipitation; (9) Have especially at least 2500W/m ² /day annual average insolation (10) has an annual average insolation rate of especially at most 3500W/m ² /day; (11) has a minimum annual average wind speed of especially at least 15kts, wherein the monthly average wind speed of each month of the year exceeds 10kts; (12) Have a wind probability that the wind intensity according to Beaufort Skala is greater than or equal to 4, especially over 60% per month in a year; (13) Have an annual average relative air humidity, especially greater than 85%, where one The monthly average relative air humidity in the middle of the year exceeds 75%. In particular, the average includes at least the past 10 years, especially the period from 2006 to 2016, preferably the past 15 years, especially the period from 2001 to 2016 and preferably the past 25 years, especially the period from 1991 to 2016. The "limited period" includes especially at least one year, preferably at least two years, advantageously at least three years, more preferably at least five years and particularly preferably at most ten years. "Significantly less corrosion" should especially be understood as a reduction in the number of corroded locations on the wire surface of at least one test piece by at least 5%, preferably at least 10%, more preferably at least 25%, and particularly preferably at least 50% , And/or the corroded area of at least one test piece relative to the entire wire surface is reduced by at least 5%, preferably by at least 10%, more preferably by at least 25%, and particularly preferably by at least 50%. The "substantially the same shaped sections" are the same especially in the range of deviations and/or differences based on production technology. Preferably, the wire and the further wire have at least approximately the same cross-section, especially except for the coating.

In addition, it is proposed that the anti-corrosion protection structure has at least one anti-corrosion protection layer, and the anti-corrosion protection layer is especially at least on at least one section of the wire, preferably on the entire surface of the wire. Is at least 215g/m ² , preferably at least 255g/m ² , advantageously at least 275g/m ² , more preferably at least 300g/m ² and particularly preferably at least 400g/m ² per unit area, especially in the wire When the diameter is at most 10 mm, preferably at most 6 mm, advantageously at most 5 mm, more preferably at most 4 mm and particularly preferably at least 2 mm. Thus, the high tolerance of the screen device can be advantageously achieved. In particular, the service life of the screen can be increased thereby. Advantageously, this anti-corrosion protective layer constitutes an effective and long-lasting protection for the base material, such as high-strength steel, against corrosion. In particular, the corrosion protection layer is formed as a zinc coating. Preferably, the anti-corrosion protection layer is at least partially constituted as an active anti-corrosion protection layer, which in particular constitutes an anode anti-corrosion protection structure. It is also conceivable that the anti-corrosion protection layer comprises a plurality of coatings, in particular superimposed on one another, which in particular have different material properties of at least one layer. Alternatively and/or additionally, it is conceivable that the corrosion protection layer is at least partially formed as a passive corrosion protection layer and/or a cathodic corrosion protection layer. Preferably, the anti-corrosion protection layer at least meets the requirements of the minimum amount of coating with an anti-corrosion protection layer for Class A wire in the DIN EN 102064-2:2012-3 standard.

In addition, it is proposed that the anti-corrosion protection structure has at least one anti-corrosion protection layer, and the anti-corrosion protection layer is formed as a zinc-aluminum coating, especially the aluminum content is about 5%. Thus, the high tolerance of the screen device can be advantageously achieved. In particular, the service life of the screen can be increased thereby. Advantageously, this anti-corrosion protective layer constitutes an effective and long-lasting protection for the base material, such as high-strength steel, against corrosion. Advantageously, the zinc-aluminum coating realizes an active anode corrosion protection structure. In addition, the zinc aluminum coating advantageously has a smooth surface. Advantageously, the zinc aluminum coating adheres to the steel surface well, especially better than pure zinc coating. In particular, the zinc-aluminum coating has at least 150 g/m ² , preferably at least 215 g/m ² , and advantageously at least 255 g/m ² on the surface of at least one section of the wire, preferably the entire wire. m ² , more preferably at least 300 g/m ² and particularly preferably at least 350 g/m ² per unit area. In particular, the aluminum content of the corrosion protection layer is about 5%, so that the eutectic structure of the zinc aluminum alloy can be advantageously realized.

In addition, it is proposed that the zinc-aluminum coating has at least one additive different from aluminum and/or zinc, preferably magnesium, and the additive particularly includes at least 0.5% of an anti-corrosion protective layer. As a result, the durability of the screen device can be advantageously further improved. Alternatively, the additive may include a metal different from magnesium and/or multiple different metals. In addition, it is conceivable that the zinc aluminum coating includes at least one additional additive different from aluminum, magnesium and/or zinc.

In addition, it is proposed that the anti-corrosion protection structure is at least partially formed in one piece with the wire. As a result, peeling of the corrosion protection structure can be advantageously avoided. In particular, the durability and/or service life can be further improved in this way. Preferably, the wire is at least partially composed of especially high-strength stainless steel, preferably especially high-strength anti-rust steel or especially high-strength high-grade stainless steel.

In addition, it is proposed that the anti-corrosion protection structure, especially the anti-corrosion protection layer, includes at least one coating, the coating being mostly composed of at least part of organic and/or at least part of inorganic carbon compounds, preferably graphene . As a result, the durability of the screen device can be advantageously further improved. Advantageously, Most of the coatings composed of at least part of organic and/or at least part of inorganic carbon compounds, preferably graphene, constitute a passive anti-corrosion protection structure. Advantageously, such a corrosion protection layer is particularly resistant to damage, such as tearing and/or scratching. "Most" should especially be understood as at least 51%, preferably at least 66%, advantageously at least 80%, more preferably at least 95% or particularly preferably at least 100%.

In addition, it is proposed that at least one section of the wire has an anti-corrosion protection structure, especially an anti-corrosion protection layer in at least one test experiment, and the anti-corrosion protection structure withstands the wire without damage, especially without breaking. At least one curved cylinder with a diameter of at least 8d, preferably at most 6d, more preferably at most 4d, and particularly preferably at most 2d in opposite directions with at least 90° is bent back and forth at least M times, where M is rounded when necessary Can be determined as C. R ^-0.5 . d ^-0.5 , and where d is the diameter of the wire in mm, and R is the tensile strength of the wire in N. mm ^-2 , and C is at least 750N ^0.5 . mm ^0.5 , preferably at least 850N ^0.5 . mm ^0.5 , advantageously at least 1000N ^0.5 . mm ^0.5 , more preferably at least 1300N ^0.5 . mm ^0.5 and preferably at least 1500N ^0.5 . mm factor of ^0.5 . Thereby, advantageous characteristics regarding workability and/or manufacturability can be achieved. Furthermore, it is possible to provide a load-bearing and/or particularly corrosion-resistant wire mesh device, especially a wire braid. In addition, high carrying capacity can be achieved. In addition, it is possible to advantageously avoid the fracture, peeling and/or damage of the anti-corrosion protection structure, especially the anti-corrosion protection layer in the manufacture of the wire mesh device, especially the silk braid. In particular, a trial run in the manufacture of the wire mesh device, especially the wire braid, can advantageously be omitted at least to a large extent. In addition, it is possible to easily and/or quickly and/or reliably identify a suitable wire material for a wire mesh device having a high resistance to corrosion, preferably at the same time, a high load-bearing capacity, especially a wire braid. In particular, it is possible to provide suitable wires that are significantly stricter and/or more dedicated to load-bearing than the back and forth bending test according to the standards DIN EN 10218-1: 2012-03 and DIN EN 10264-2: 2012-03. Selection method of materials. Preferably, the wire is bent around two oppositely formed curved cylinders in back and forth bending. Advantageously, the curved cylinder is arranged to perform back and forth bending without deformation and/or damage in the back and forth bending experiment. "No damage" should be understood in particular as no tearing, no peeling, no fracture and/or no comparable damage that occurs in bending.

In addition, it is proposed that at least one section of the wire has an anti-corrosion protection structure, especially an anti-corrosion protection layer, in at least one, especially in another test experiment, the anti-corrosion protection structure without damage, especially without The wire is twisted N times in a fractured state, where N can be determined as B by rounding if necessary. R ^-0.5 . d ^-0.5 , and where d is the diameter of the wire in mm, and R is the tensile strength of the wire in N. mm ^-2 , and B is at least 960N ^0.5 . mm ^0.5 , preferably at least 1050N ^0.5 . mm ^0.5 , advantageously at least 1200N ^0.5 . mm ^0.5 , more preferably at least 1500N ^0.5 . mm ^0.5 and preferably at least 2000N ^0.5 . mm factor of ^0.5 . As a result, the wire mesh device, especially the wire braid, can advantageously achieve high resistance to corrosion. In addition, it is possible to advantageously avoid the fracture, peeling and/or damage of the anti-corrosion protection structure, especially the anti-corrosion protection layer in the manufacture of the wire mesh device, especially the silk braid. In particular, a trial run in the manufacture of the wire mesh device, especially the wire braid, can advantageously be omitted at least to a large extent. In addition, it is possible to easily and/or quickly and/or reliably identify a suitable wire material for a wire mesh device having a high resistance to corrosion, preferably at the same time, a high load-bearing capacity, especially a wire braid. In particular, it is possible to provide suitable wires that are significantly more rigorous and/or more dedicated to load-bearing than the torsion test according to the standards DIN EN 10218-1: 2012-03 and DIN EN 10264-2: 2012-03 The selection method. "Twisting" should especially be understood as the twisting of the clamped wire around the longitudinal axis.

In addition, it is proposed that at least one section of the wire has an anti-corrosion protection structure, especially an anti-corrosion protection layer in at least one, especially additional additional test experiments, the anti-corrosion protection structure without damage, especially The wire is subjected to winding around a winding mandrel without breaking, the diameter of which at least approximately corresponds to the diameter of the wire. As a result, the wire mesh device, especially the wire braid, can advantageously achieve high resistance to corrosion. In addition, it is possible to advantageously avoid the fracture, peeling and/or damage of the anti-corrosion protection structure, especially the anti-corrosion protection layer in the manufacture of the wire mesh device, especially the silk braid. In particular, a trial run in the manufacture of the wire mesh device, especially the wire braid, can advantageously be omitted at least to a large extent. In addition, it is possible to easily and/or quickly and/or reliably identify suitable wire mesh devices with high resistance to corrosion, and preferably high load-bearing capacity at the same time, especially for wire braids. Of wire. In particular, when the wire is wound around the winding mandrel, the wire is bent at least 360° around the winding mandrel in at least approximately a spiral shape.

In addition, a wire mesh, especially a protective net, preferably used for protection against falling rocks, is provided with a wire mesh device having a plurality of mesh elements that are joined to each other, especially in number more than two. The mesh element is formed at least partially in a spiral shape. In this way, it is possible to advantageously realize a wire mesh having a high resistance, especially with respect to corrosion, especially with respect to corrosive environmental conditions, such as weather conditions. Advantageously, here, a long service life of the screen can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen can be advantageously improved. In particular, the wire mesh is configured as a wire braid with a plurality of spiral structures knitted with each other. The different spiral structures are in contact with each other especially in the strongest bending region of the spiral structure. In particular, the wire mesh is composed of: slope protection device, safety fence, protection fence, anti-falling protection net, blocking fence, fish farming net, anti-predator protection net, livestock and poultry fence, tunnel protection device, anti-soil protection device, racing car Sports protective fences, road fences, avalanche protection devices, etc. In particular, due to its high strength and/or high load-bearing capacity, it is also conceivable to use it as: for example, shelters and/or enclosures of power plants, factories, residential buildings or other buildings, explosion-proof devices, bullet-proof devices, flying Object shielding device, safety net, anti-collision device, etc. The wire mesh can in particular be laid and/or arranged and/or installed relative to the ground, for example horizontally or vertically or obliquely. In particular, the screen is designed to be flat. Advantageously, the wire mesh is structured regularly and/or periodically in at least one direction. Preferably, the wire mesh can be rolled in and/or rolled out, especially around an axis, which extends parallel to the main extension direction of the spiral structure. In particular, the roll formed from the screen may be rolled out in a direction perpendicular to the main extension direction of the spiral structure.

In addition, a wire mesh, especially a protective mesh, preferably used for protection against falling rocks, is provided with a wire mesh device having a plurality of mesh elements joined to each other, especially a number exceeding two. The mesh element is at least partially closed, preferably at least approximately in an annular closed form. As a result, it can be advantageously achieved to have an environment, especially relative to corrosion, especially relative to corrosive environmental conditions, such as weather Highly resistant wire mesh for atmospheric conditions. Advantageously, here, a long service life of the screen can be achieved, whereby the repair and/or maintenance costs can be particularly reduced. In addition, the reliability and/or safety of the screen can be advantageously improved. In particular, the wire mesh is constructed as a wire braid with a plurality of mesh elements joined to each other, especially wire loops. Here, different mesh elements, especially wire loops, in particular contact at least one and preferably at most four adjacent mesh elements, especially wire loops.

In addition, a method for manufacturing a wire mesh is proposed, wherein the wire mesh is made of a wire mesh device. In this way, it is possible to advantageously realize a wire mesh having a high resistance, especially with respect to corrosion, especially with respect to corrosive environmental conditions, such as weather conditions.

In addition, a method for identifying suitable wire materials for wire mesh devices, preferably wire meshes, especially made of high-strength steel, is proposed, wherein the corrosion resistance of the test piece of the wire material is In particular, the corrosion resistance of the test piece of the silk braid formed from the wire is determined by a climate change test, a salt spray test, a sulfur dioxide test, and/or an outdoor storage test. In this way, it is possible to advantageously realize a wire, especially a wire mesh device, preferably a wire mesh, having a high resistance to corrosion, especially to corrosive environmental conditions, such as weather conditions. Advantageously, the suitability of the wire material used to manufacture the wire mesh can be determined before the finished wire mesh is produced. In this way, it is possible to advantageously avoid mis-production and/or waste production and thus particularly reduce costs. Preferably, the wire material is selected for the manufacturing process, and the wire material has been shown to be sufficient in the climate change test, salt spray test, sulfur dioxide test and/or open storage test, especially for more than 500 hours, preferably 600 Hour, advantageously 700 hours, preferably 800 hours and particularly preferably the corrosion resistance at a value of 1000 hours. Preferably, the wire material is selected before the manufacturing process, and the wire material has been shown to be insufficient in the climate change test, salt spray test, sulfur dioxide test and/or open storage test, especially for less than 500 hours, The corrosion resistance is preferably 600 hours, advantageously 700 hours, preferably 800 hours and particularly preferably 1000 hours.

In addition, a method for manufacturing a wire mesh device is proposed, wherein the wire used to form the mesh element is larger than 5 mm, preferably larger than 6 mm, advantageously larger than 7 mm, It is more preferable to bend with a maximum bending radius greater than 9mm and particularly preferably less than 10mm. As a result, damage to the anti-corrosion protection structure, especially the anti-corrosion protection layer, especially fracture and/or peeling, can be advantageously avoided, especially during the manufacturing process, thereby advantageously achieving the wire mesh produced in this way The high durability and/or service life of the device.

In addition, a method for manufacturing a wire mesh device is proposed, wherein the wire used to form the mesh element is lower than 360 degrees/second, preferably lower than 270 degrees/second, advantageously lower than 180 degrees/second, It is more preferably lower than 90 degrees/sec and more preferably higher than 45 degrees/sec, especially the maximum bending speed to bend. As a result, damage to the anti-corrosion protection structure, especially the anti-corrosion protection layer, especially fracture and/or peeling, can be advantageously avoided, especially during the manufacturing process, thereby advantageously achieving the wire mesh produced in this way The high durability and/or service life of the device.

In addition, a method for manufacturing a wire mesh device is proposed, in which, during the coating of the wire material, especially the maximum coating temperature is kept below 440°C, preferably below 435°C in each working step, It is advantageously lower than 430°C, more preferably lower than 425°C and particularly preferably higher than 421°C. As a result, damage to the anti-corrosion protection structure, especially the anti-corrosion protection layer, especially fracture and/or peeling, can be advantageously avoided, especially during the manufacturing process, thereby advantageously achieving the wire mesh produced in this way The high durability and/or service life of the device.

In addition, it is proposed that the heat acting on the wire during the coating of the wire is used to increase the strength of the wire, especially the tensile strength. Thus, in particular, since the heat generated in one process can be used in another process, the efficiency can be advantageously improved. In addition, especially by advantageously taking into account the additional overflow of carbon from the steel used to at least partially compose the wire during the coating process to set the strength of the steel, excessive brittleness of the coated wire can be avoided.

In addition, a test method for testing the corrosion resistance of the wire mesh device, preferably the wire mesh, by the salt spray test and/or the sulfur dioxide test is proposed, wherein during the salt spray test and/or the sulfur dioxide test Change the temperature of the test chamber during the test. This can advantageously improve the reliability of the test method Sex. In particular, the test conditions can be advantageously adapted more closely to the actual conditions exposed by the screen device, especially in field use. Preferably, in the test method, the temperature of the test chamber is periodically changed at least between the minimum and maximum temperature of the test chamber. In particular, the minimum laboratory temperature is at least lower than 25°C, preferably lower than 15°C, advantageously lower than 5°C, more preferably lower than -5°C and particularly preferably higher than -20°C. In particular, the maximum laboratory temperature is at least higher than 25°C, preferably higher than 35°C, advantageously higher than 40°C, more preferably higher than 55°C and particularly preferably lower than 70°C. In particular, the maximum laboratory temperature range between the minimum laboratory temperature and the maximum laboratory temperature is at least 15°C, preferably at least 30°C, advantageously at least 50°C, more preferably at least 70°C and particularly preferably at most 90°C. In particular, the temperature change of the test chamber is performed at regular intervals and preferably includes a sequence of at least one, preferably at least a plurality of test chamber temperature increases and at least one, preferably at least a plurality of test chamber temperature decreases. The increase and/or decrease of the temperature of the salt test chamber can take place in particular continuously or stepwise, in particular stepped pyramid.

In addition, it is proposed that, especially in this test method, the salt concentration is changed during the salt spray test and/or the sulfur dioxide concentration is changed during the sulfur dioxide test. As a result, the reliability of the test method can be advantageously improved. In particular, the test conditions can advantageously better adapt to the actual conditions exposed by the screen device, especially in field use. Preferably, in the test method, the salt concentration or sulfur dioxide concentration is periodically changed at least between the minimum and maximum salt concentration or sulfur dioxide concentration. In particular, the minimum salt concentration is at least less than 50°g/l, preferably less than 40°g/l, advantageously less than 30°g/l, more preferably less than 20°g/l and particularly preferably greater than 10 °g/l. In particular, the maximum salt concentration is at least higher than 50°g/l, preferably higher than 60°g/l, advantageously higher than 70°g/l, more preferably higher than 80°g/l and particularly preferably lower than 100 °g/l. In particular, the maximum salt concentration amplitude between the minimum salt concentration and the maximum salt concentration is at least 10°g/l, preferably at least 20°g/l, advantageously at least 30°g/l, more preferably at least 40°g /l and preferably at most 100°g/l. In particular, the minimum sulfur dioxide concentration is at least less than 0.33°%, preferably less than 0.25°%, advantageously less than 0.18°%, more preferably less than 0.10°% and particularly preferably greater than 0.05°%. In particular, the maximum sulfur dioxide concentration is at least higher than 0.33°%, preferably higher than 0.50°%, advantageously higher than 0.70°%, more preferably higher than 0.90°% and particularly preferably lower than 1.10°%. Especially in The maximum sulfur dioxide concentration range between the minimum sulfur dioxide concentration and the maximum sulfur dioxide concentration is at least 0.10°%, preferably at least 0.30°%, advantageously at least 0.50°%, more preferably at least 0.70°% and particularly preferably at most 1.00°%. In particular, the change of the salt concentration or the sulfur dioxide concentration is carried out at regular intervals and preferably includes a sequence of at least one, preferably at least a plurality of salt concentration or sulfur dioxide concentration increases and at least one, preferably at least a plurality of salt concentrations or The concentration of sulfur dioxide decreases. The increase and/or decrease of the salt concentration or the sulfur dioxide concentration can take place in particular continuously or stepwise, in particular in the form of a stepped pyramid.

In addition, a test device for testing the corrosion resistance of at least one test piece of a wire mesh device, preferably a wire mesh, is proposed. In this way, it is possible to advantageously realize a wire, especially a wire mesh device, preferably a wire mesh, having a high resistance to corrosion, especially to corrosive environmental conditions, such as weather conditions. Advantageously, the suitability of the wire material used to manufacture the wire mesh can be determined before the finished wire mesh is produced. In this way, erroneous production and/or waste production can be advantageously avoided and therefore in particular the cost can be reduced.

Advantageously, the test device has at least one holding unit for holding at least one test piece of the wire, especially a test piece of a wire braid formed by the wire, and/or at least one reference wire , Especially the reference wire braid, where in particular all test pieces positioned in the holding unit can be oriented parallel to each other and/or arranged such that the test piece is for at least one, preferably all, in the test chamber The corrosive environmental conditions provide at least roughly the same corroded surface. As a result, good reliability of the climate change test, salt spray test, sulfur dioxide test and/or open storage test can be advantageously achieved. In addition, high comparability of test results of different test pieces tested in the test device at the same time can be advantageously achieved.

The screen device according to the present invention, the method for identifying a suitable wire according to the present invention, the method for manufacturing a screen device according to the present invention, and the resistance of the wire for testing the screen device according to the present invention The corrosive test method and the test device according to the present invention should not be limited to the above-mentioned applications and implementations. In particular, the screen device according to the present invention, the method for identifying a suitable wire according to the present invention, the method for manufacturing a screen device according to the present invention, and the test wire according to the present invention The test method for the corrosion resistance of the wire of the net device and the test device according to the present invention have a different number from the number of individual elements, components and units described herein to realize the functional manner described herein.

10: Mesh element

12: Wire

12: Wire

16: Anti-corrosion protective layer

18: Silk braid

20: circumference

22: cross section

24: diameter

26: Silk surface

28: Zinc aluminum coating

30: Coating

32: curved cylinder

34: diameter

36: direction

38: direction

40: winding mandrel

42: diameter

44: wire mesh

46: bending radius

48: Laboratory temperature

50: Salt concentration

52: Sulfur dioxide concentration

54: hold unit

56: Reference wire

58: Spiral structure

60: Main extension direction

62: Legs

64: Legs

66: Bend

68: Nearby area

70: bending angle

72: Extension direction

74: High-strength steel

76: silk core

78: another wire

80: zinc coating

82: Silk surface

84: layer thickness

86: bending unit

88: Gripper

90: gripper

92: Specimen

94: curved rod

96: Drive

98: Drive

100: curved cylinder

102: twist unit

104: twist rod

106: Axis

108: Gripper

110: Gripper

112: basic unit

114: Winding unit

116: winding surface

118: outer diameter

120: Laboratory

122: Valve

124: opening

126: Distributor unit

128: heating and/or cooling unit

130: internal

132: Import and/or Export Department

134: control and/or regulation unit

136: processor unit

138: memory unit

140: wall

142: bracket unit

144: Angle

146: Corrosion measurement unit

148: Camera

150: Storage Department

152: Method steps

154: Method steps

156: Method steps

158: Method steps

160: Method steps

162: Method steps

164: Method steps

166: method steps

168: Method steps

170: Method steps

172: Method steps

174: Method steps

176: Method steps

178: Method steps

180: method steps

182: Method steps

184: Method steps

186: Method steps

188: Method steps

190: Method steps

192: Method steps

194: Temperature Time Curve

196: ordinate

198: abscissa

200: temperature curve

202: Another temperature profile

204: Concentration time curve

206: Concentration Curve

208: Another concentration curve

210: Concentration time curve

212: Ring Network

214: Concentration curve

216: Another concentration curve

218: stainless steel

220: Anti-rust steel

222: Plastic coating

224: Graphene coating

226: Coating

228: inner coating

230: outer coating

232: layer thickness

234: Ring element

238: Loop A

240: Loop B

242: Loop C

244: Relative humidity curve

246: temperature curve

248: Another ordinate

250: Salt mist stage

252: Freezing Phase

254: Timeline

Further advantages can be obtained from a brief description of the following diagrams. Seven embodiments of the invention are shown in the drawings. The drawings, specifications, and scope of patent applications contain many combined features. Those skilled in the art can also conveniently consider these features individually and combine them into meaningful additional combinations. In the drawings: Figure 1 shows a schematic cross-sectional view of the wire mesh with the screen device; Figure 2 shows a cross-sectional view of the wire of the wire mesh device with an anti-corrosion protection structure and another anti-corrosion protection structure Sectional view of the wire; Figure 3 shows a schematic diagram of the bending unit; Figure 4 shows a schematic diagram of the twisting unit; Figure 5 shows a schematic diagram of the winding unit; Figure 6 shows a perspective schematic diagram of a laboratory with a testing device Figure 7 shows a three-dimensional schematic diagram of the holding unit of the test device; Figure 8 shows a timing diagram of the climate change test in the test room; Figure 9 shows the temperature curve and relative temperature during the sub-loop of the climate change test Humidity curve; Figure 10 shows the temperature curve and relative humidity curve during another sub-loop of the climate change test; Figure 11 shows the temperature curve and relative humidity during the additional sub-loop of the climate change test curve; Fig. 12 shows a flow chart of the method; Fig. 13 shows a temperature-time curve diagram; Fig. 14 shows a concentration-time curve diagram; Fig. 15 shows a concentration-time curve diagram; Fig. 17 shows a cross-sectional view of the wire with an alternative anti-corrosion protection structure; Fig. 18 shows a cross-sectional view of the wire with a second alternative anti-corrosion protection structure; Fig. 19 Shows a cross-sectional view of a wire with a third alternative anti-corrosion protection structure; FIG. 20 shows a cross-sectional view of a wire with a fourth alternative anti-corrosion protection structure; and FIG. 21 shows a wire mesh device Schematic diagram of the cross section of the additional screen.

Fig. 1 shows a schematic view of a cross section of a screen 44a with a screen device. The wire mesh 44a is configured as a protective net for protection against falling rocks. The screen device is configured as a protection net device. The screen device has a plurality of screen elements 10a. The wire mesh 44a has a plurality of mesh elements 10a joined to each other in number exceeding two. The net elements 10a are joined to each other, respectively. The net elements 10a are woven with each other. The mesh element 10a forms a silk braid 18a. The net element 10a is formed in a spiral shape. The net element 10a is formed as a spiral structure 58a. The net element 10a has a main extension direction 60a. Here, the "main extension direction" of the object should be understood particularly as the direction parallel to the extension of the longest side of the smallest geometric cuboid that just completely surrounds the object. The main extension directions 60a of the mesh elements 10a are oriented parallel to each other. The net element 10a has the shape of a flat compressed spiral structure. The mesh element 10a has a series of alternating legs 62a, 64a. The net element 10a has a curved portion 66a. The curved portion 66a connects the two legs 62a, 64a. The mesh elements 10a joined to each other are in contact with each other in the vicinity 68a of the bent portion 66a, preferably in a clamped state at the bent portion 66a. The legs 62a and 64a are sandwiched by a bending angle 70a. The legs 62a, 64a have a bending radius 46a. The bending radius 46a of the different bending parts 66a of the net element 10a and/or different net elements 10a is constant. The mesh element 10a includes a monofilament composed of a wire 12a. Alternatively, the mesh element 10a may include tows with wires 12a, strands with wires 12a, wire ropes with wires 12a, and/or other longitudinal elements with wires 12a.

Fig. 2 shows a cross section 22a of the wire 12a formed perpendicular to the extending direction 72a of the wire 12a. The wire 12a has a circumference 20a. The wire 12a has a diameter 24a. The diameter 24a of the wire 12a in the embodiment shown in FIG. 2 is 4 mm. The wire 12a has a wire surface 26a. The wire 12a has a wire core 76a. The wire 12a has an anti-corrosion protection structure 14a. The wire 12a has a coating 30a. The corrosion protection structure 14a is formed as a coating 30a. The coating 30a is formed as an anti-corrosion protective layer 16a. The wire 12a is composed of high-strength steel 74a in addition to the coating 30a. The core 76a is made of high-strength steel 74a. The anti-corrosion protection layer 16a has a mass per unit area of at least 300 g/m ² in the embodiment shown in FIG. 2. The anticorrosion protection layer 16a completely surrounds the wire core 76a in the circumferential direction. The corrosion protection layer 16a has a constant layer thickness 84a. The corrosion protection layer 16a is formed as a zinc coating 80a. The anti-corrosion protection layer 16a is connected to the wire core 76a in a material fit. "Material matingly connected" should especially be understood to mean that the quality parts are held together by atomic or molecular forces, such as during soldering, welding, gluing, galvanizing, electroplating and/or vulcanization.

FIG. 3 shows a schematic diagram of a bending unit 86a used to perform a back and forth bending experiment of the wire 12a. The bending unit 86a has clamping jaws 88a, 90a that are arranged to clamp the test piece 92a of the wire 12a. The test piece 92a is preferably formed as a section of the wire 12a and/or the wire braid 18a of the screen device. In the case shown, this refers to the test piece 92a of the wire 12a. The bending unit 86a has a bending rod 94a which is pivotally supported back and forth. The bending rod 94a has driving members 96a, 98a for the test piece 92a of the wire 12a. The bending unit 86a has a bending cylinder 32a, and the test piece 92a of the wire 12a is bent around the bending cylinder 32a in the back and forth bending experiment. The bending unit 86a has another bending cylinder 100a, which has the same configuration as the bending cylinder 32a. The additional curved cylinder 100a is arranged opposite to the curved cylinder 32a. In the back and forth bending experiment, the bending rod 94a makes the test piece 92a of the wire 12a alternately bend at least 90° around the bending cylinder 32a and the other bending cylinder 100a. Usually, the back and forth bending test is performed for such a long time until the coating 30a of the test piece 92a of the wire 12a, especially the anti-corrosion protection layer 16a, is damaged, especially broken, burst, tear and/or peeled, to test the coating 30a, especially the resistance and/or flexibility of the corrosion protection layer 16a. The coating 30a of the wire 12a, especially the anti-corrosion protection layer 16a, is undamaged to withstand the wire 12a bending back and forth at least M times in the opposite directions 36a, 38a at least 90° around the curved cylinders 32a, 100a. The curved cylinders 32a, 100a have a diameter 34a of at most 8d, where d is the diameter 24a of the wire 12a in millimeters. The variable M can be determined as C by rounding when necessary. R ^-0.5 . d ^-0.5 . R includes the tensile strength of the wire 12a, in N. mm ^-2 . In the illustrated embodiment, the tensile strength of the wire 12a is 1570N. mm ^-2 . C includes a constant factor. In the embodiment shown, C is 750N ^0.5 . mm ^0.5 .

FIG. 4 shows a schematic diagram of a twisting unit 102a used to perform a twisting experiment of the wire 12a. The twisting unit 102a has a basic unit 112a. The twisting unit 102a has a twisting rod 104a that is rotatably supported about an axis 106a. The twisting unit 102a can be converted into a bending unit 86a, and vice versa. In the modification of the bending unit 86a and/or the twisting unit 102a, the bending rod 94a and the twisting rod 104a are interchanged. The twisting unit 102a has clamping jaws 88a, 90a that are arranged to clamp the test piece 92a of the wire 12a in the base unit 112a. The test piece 92a is preferably formed as a section of the wire 12a and/or the wire braid 18a of the screen device. In the case shown, this refers to the test piece 92a of the wire 12a. The twisted rod 104a has clamping jaws 108a, 110a that are arranged to clamp the test piece 92a of the wire 12a in the twisted rod 104a. The twisting rod 104a is arranged to twist the test piece 92a by the rotation of the twisting rod 104a about the axis 106a. When the twisting rod 104a rotates, the base unit 112a remains non-rotating. In the twisting experiment, the twisting rod 104a twisted the test piece 92a of the wire 12a by a multiple of 360° around the axis 106a parallel to the longitudinal extension of the test piece 92a. The torsion test is usually performed for such a long time until the coating 30a, especially the corrosion protection layer 16a of the test piece 92a of the wire 12a is damaged, especially broken, burst, tear and/or peeled, to test the coating 30a Tolerance and/or flexibility. The coating 30a of the wire 12a, in particular the anti-corrosion protection layer 16a, has passed through at least N twists of the wire 12a without damage. The variable N can be determined as B by rounding when necessary. R ^-0.5 . d ^-0.5 . B includes a constant factor. In the embodiment shown, B is 960N ^0.5 . mm ^0.5 .

FIG. 5 shows a schematic diagram of the winding unit 114a used to perform the winding experiment of the wire 12a. The winding unit 114a has a winding mandrel 40a. The winding mandrel 40a is configured to provide a winding surface 116a for winding the wire 12a. The winding mandrel 40a has a diameter 42a. The diameter 42a is the outer diameter 118a of the winding mandrel 40a, which corresponds at least approximately to the diameter 24a of the wire 12a. It is conceivable that the winding mandrel 40a is formed by a particularly unbent section of the wire 12a. In the winding experiment, the wire 12a was wound around the winding mandrel 40a at least once at 360°, preferably in a spiral shape. The anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, undergoes the winding of the wire 12a around the winding mandrel 40a without damage.

Fig. 6 shows a test device for testing the corrosion resistance of at least one test piece 92a of the wire 12a and/or the test piece 92a of the wire mesh 44a. The test device includes a test chamber 120a. The test chamber 120a is configured as a box closed on all sides. The test chamber 120a has an opening 124a that can be closed with a shutter 122a. The opening 124a is configured to move the test piece 92a into and/or out of the test chamber 120a. The test chamber 120a is configured to constitute a test environment for climate change test, salt spray test and/or sulfur dioxide test and/or to perform climate change test, salt spray test and/or sulfur dioxide test. The test device has a control and/or adjustment unit 134a. "Control and/or regulation unit 134a" should be understood in particular as a unit with at least one control electronics. "Control electronics" should be particularly understood as a unit having a processor unit 136a, a memory unit 138a, and an operating program stored in the memory unit 138a. The control and/or regulation unit 134a is at least configured to control the climate change test, the salt spray test and/or the sulfur dioxide test. The test device has a dispenser unit 126a. The distributor unit 126a is arranged in the interior 130a of the test chamber 120a. The distributor unit 126a is configured to generate and/or distribute salt spray in the test chamber 120a. Alternatively, the distributor unit 126a is arranged to generate the sulfur dioxide concentration for the sulfur dioxide test in the test chamber 120a and/or to distribute the sulfur dioxide in the test chamber 120a. Alternatively or additionally, the dispenser unit 126a is provided It is set to adjust, especially to increase or decrease the relative air humidity in the interior 130a of the test chamber 120a and/or to keep the relative air humidity constant. The distributor unit 126a has an inlet and/or outlet 132a. The salt solution and/or sulfur dioxide solution and/or sulfur dioxide gas used to generate salt spray are introduced into the distributor unit 126a and/or the test chamber 120a and/or from the distributor unit 126a and / Or export from test room 120a. The dispenser unit 126a can be controlled and/or adjusted by the control and/or adjustment unit 134a. The test device has a heating and/or cooling unit 128a. The heating and/or cooling unit 128a is provided to adjust the temperature of the interior 130a of the test chamber 120a. The heating and/or cooling unit 128a is arranged to heat and/or cool the interior 130a of the test chamber 120a in a controlled manner. The heating and/or cooling unit 128a is at least partially arranged in the interior 130a of the test chamber 120a. The heating and/or cooling unit 128a is at least partially arranged in the wall 140a of the test chamber 120a. The heating and/or cooling unit 128a can be controlled and/or adjusted by the control and/or adjustment unit 134a.

The test device has a holding unit 54a (see FIG. 7). The holding unit 54a is provided with at least one test piece 92a for holding the wire 12a and/or the wire braid 18a formed of the wire 12a. The holding unit 54a is configured to hold the reference wire 56a and/or the reference wire braid. The test pieces 92a positioned in the holding unit 54a may be oriented parallel to each other. The test piece 92a positioned in the holding unit 54a is arranged such that the test piece 92a provides at least substantially the same erosion surface to the corrosive environmental conditions in the test chamber 120a. The holding unit 54a is made of a corrosion-resistant material such as plastic. The holding unit 54a has a storage portion 150a for storing the test piece 92a and/or the reference wire 56a. The test piece 92a and/or the auxiliary wire 56a may be clamped in the receiving portion 150a. The test device has a holder unit 142a. The support unit 142a is designed to position the holding unit 54a in the test chamber 120a, especially in compliance with the regulations of the standard DIN EN ISO 9227:2006. The holder unit 142a holds the holding unit 54a at an angle 144a of 20° from the vertical. The test device has a corrosion measurement unit 146a. The corrosion measuring unit 146a is configured to measure the progress and/or state of corrosion. The corrosion measurement unit 146a determines the state and/or progress of corrosion by optical methods, especially by the camera 148a of the corrosion measurement unit 146a.

The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of the wire 12a, has a corrosion resistance of more than 1680 hours in the test experiment by the climate change test. The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of at least the wire 12a, also has higher than other wires in the test experiment by the climate change test Corrosion resistance of 78a.

The other wire 78a is configured as a reference wire 56a. The other wire 78a has a circumference 20a that is at least approximately the same as the wire 12a. The additional wire 78a has a cross section 22a that is at least approximately the same as the wire 12a. The additional wire 78a has a diameter 24a that is at least approximately the same as the wire 12a. The additional wire 78a has a wire surface 82a. The other wire 78a has a zinc coating 80a. The zinc coating 80a has a mass per unit area of at least 115 g/m ² . The zinc coating 80a has a mass per unit area of at most 215 g/m ² . The other wire 78a at least meets the requirements of the B wire according to the standard DIN EN 10264-2: 2012-03. From the other wire material 78a, a braided silk fabric having at least substantially the same shape as the braided silk fabric 18a can be manufactured.

Figure 8 shows the time sequence of the climate change test. The climate change test has a test loop 256a. The test loop 256a is subdivided into sub-loops. The sub-loops include loop A 238a, loop B 240a, and loop C 242a. The time sequence of the sub-loops in the test loop 256a is shown by the time axis 254a in FIG. 8. The duration of the sub-loop is one day. The duration of the test loop 256a is one week.

Figures 9, 10, and 11 show the temperature of the test chamber temperature 48a in the test chamber 120a during loop A 238a (Figure 9), loop B 240a (Figure 10), and loop C 242a (Figure 11) Curve 246a and relative humidity curve 244a of relative air humidity. The laboratory temperature 48a is plotted on the ordinate 196a on the left side of the graph. The relative air humidity is plotted on the other ordinate 248a on the right side of the graph. The time in hours is plotted on the abscissa 198a.

Loop A 238a (see Figure 9) begins with the three-hour salt spray phase 250a. During the salt spray phase 250a, the test chamber 120a is filled with salt spray by the distributor unit 126a. During the salt spray phase 250a, the test chamber temperature 48a was 35°C. After the salt spray stage 250a, the test room temperature 48a is at two hours Increase from 35°C to 50°C within the time and stay at this value for another 15 hours. After that, the temperature of the test chamber 48a dropped to 35°C within four hours. The relative air humidity drops from 100% to 50% within six hours after the salt spray phase 250a and then gradually rises to 95% during eight hours. At a value of 95%, the relative air humidity remained until the end of loop A 238a after another five hours.

Loop B 240a (see Figure 10) starts with the test chamber temperature 48a dropping from 35°C to 25°C for three hours and maintaining this value for another three hours. After that, the test chamber temperature 48a rose to 50°C within five hours. After another nine hours at this value, the laboratory temperature 48a at the end of loop B 240a dropped to 35°C in four hours. The relative air humidity initially drops from 95% to 70% within three hours and remains at this value for up to ten hours. After that, the relative air humidity gradually rose to 95% over a six-hour period. At a value of 95%, the relative air humidity remained until the end of loop B 240a after another five hours.

Loop C 242a (see Figure 11) starts with the chamber temperature 48a falling from 35°C to -15°C for four hours and remains at this value for another five hours. During this five-hour period, the test chamber temperature 48a was below freezing. The test chamber 120a is in the freezing phase 252a. After the freezing phase 252a, the test chamber temperature 48a rose to 50°C within five hours. After another 6 hours at this value, the laboratory temperature 48a at the end of loop C 242a dropped to 35°C in four hours. The relative air humidity initially drops from 95%. In the freezing phase 252a, the relative air humidity is very low. After the end of the freezing phase 252a and after the test chamber temperature 48a rises above the freezing point, the relative air humidity is maintained at 70% for three hours. After that, the relative air humidity gradually rose to 95% over a five-hour period. At a value of 95%, the relative air humidity remained until the end of cycle C 242a after another five hours.

The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of the wire 12a, has a corrosion resistance of more than 500 hours in the test experiment by the salt spray test. The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of at least the wire 12a, also has a higher value than other wires in the test experiment by the salt spray test Corrosion resistance of 78a.

The wire 12a with the anti-corrosion protection structure 14a, especially the wire braid 18a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, composed of the wire 12, also has more than that in the additional test by the sulfur dioxide test. 500 hours of corrosion resistance. The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of the wire 12a, has a higher value than the other wire 78a in the additional test experiment by the sulfur dioxide test The corrosion resistance of corrosion resistance.

The wire 12a with the anti-corrosion protection structure 14a, especially the anti-corrosion protection layer 16a, especially the wire braid 18a composed of the wire 12a, in the open-air storage test within a limited period of time has the same outdoor storage test at the same time Compared to the wire 78a, there is significantly less corrosion. The corrosion of the wires 12a, 78a, especially the corrosion strength, can be estimated based on the number and/or total area of the corroded parts on the wire surfaces 26a, 82a of the wires 12a, 78a. In the open storage test, the test piece 92a of the wire 12a and/or the wire braid 18a is positioned, especially stored in at least one, preferably at least two, different storage positions, especially the vertical storage position and/or horizontal Storage position and/or inclined storage position.

FIG. 12 shows a flowchart of a method for manufacturing a wire mesh device and/or a wire mesh 44a for identifying a suitable wire 12a and/or a test method for corrosion resistance testing. In at least one method step 152a, the wire 12a is made of high-strength steel 74a. In at least one method step 154a, the filament 12a is coated with a coating 30a. In at least one method step 156a, the wire 12a is coated during the coating process at a coating temperature, which is kept below 430°C in each working step. In at least one method step 158a, the heat acting on the wire 12a during the coating of the wire 12a is used to produce an increase in the tensile strength of the wire 12a.

In at least one method step 160a, the wire 12a provided with the corrosion protection structure 14a and/or the corrosion protection layer 16a is selected for the corrosion resistance test. In at least one method step 176a, the selection of the wire 12a for the corrosion resistance test depends on the test of the anticorrosive protective layer 16a by the winding test. The wire 12a having the corrosion protection layer 16a that failed in the winding experiment was selected. in In at least one method step 180a, the selection of the wire 12a for the corrosion resistance test relies on the test of the corrosion protection layer 16a by the twist test. The wire 12a having the corrosion protection layer 16a that failed in the twisting experiment was selected. In at least one method step 182a, the selection of the wire 12a for the corrosion resistance test relies on the test of the anti-corrosion protective layer 16a by the back and forth bending test. The wire 12a with the anti-corrosion protective layer 16a that failed in the back and forth bending test was selected.

In at least one method step 178a, a suitable wire 12a for the screen device and/or for the screen 44a is determined to have high corrosion resistance. Here, the corrosion resistance of the test piece 92a of the wire 12a and/or the wire braid 18a is determined by a climate change test in at least one method step 236a, and by a salt spray test in at least one method step 164a , Is determined by a sulfur dioxide test in at least one method step 162a, and/or is determined by an open storage test in at least one method step 166a.

In at least one method step 172a, the test chamber temperature 48a is changed during the salt spray test (see Figure 13). Two temperature profiles 200a, 202a are shown in the temperature time profile 194a shown in FIG. Here, temperature is plotted on the ordinate 196a and time is plotted on the abscissa 198a. The temperature curve 200a represents a sinusoidal curve. Another temperature curve 202a represents a stepped pyramid curve. In at least one method step 174a, the salt concentration 50a is changed during the salt spray test (see Figure 14). Two concentration curves 206a, 208a are shown in the concentration time curve diagram 204a shown in FIG. 14. Here, the density is plotted on the ordinate 196a and the time is plotted on the abscissa 198a. The concentration curve 206a represents a sinusoidal curve. The other concentration curve 208a represents a stepped pyramid curve.

In at least one method step 168a, the test chamber temperature 48a is changed during the sulfur dioxide test (see Figure 3). In at least one method step 170a, the sulfur dioxide concentration 52a is changed during the sulfur dioxide test (see Figure 15). Two concentration curves 214a, 216a are shown in the concentration time curve graph 210a shown in FIG. 15. Here, the concentration is plotted on the ordinate 196a and on the abscissa Draw time on 198a. The concentration curve 214a represents a sinusoidal curve. The other concentration curve 216a represents a stepped pyramid curve.

In at least one method step 184a, the screen 44a is made of a screen device. In at least one method step 186a, the wire 12a made of high-strength steel 74a is bent into a spiral structure 58a and/or an annular closed mesh element 10a (see FIG. 21). In at least one method step 188a, the wire 12a used to form the mesh element 10a is bent with a bending radius 46a, which is greater than 5 mm in each work step. In at least one method step 190a, the wire 12a used to form the mesh element 10a is bent at a bending speed of less than 360 degrees/sec. In at least one method step 192a, at least one wire mesh 44a is woven from the spiral structure 58a and/or the closed mesh element 10a.

Figures 16 to 21 show another six embodiments of the present invention. The following description and drawings are generally limited to the differences between the embodiments, wherein, for components with the same title, especially with regard to components with the same drawing marks, in principle, reference may be made to the drawings of other embodiments in particular in FIGS. 1 to 15 Formula and/or description. In order to distinguish between the embodiments, the letter a is placed after the schematic mark of the embodiment in FIGS. 1 to 15. In the embodiment of FIGS. 16 to 21, the letter a is replaced by the letters b to g.

Fig. 16 shows a cross section 22b of the wire 12b formed perpendicular to the extending direction 72b of the wire 12b of the screen device. The wire 12b has a wire core 76b. The wire 12b has an anti-corrosion protection structure 14b. The wire 12b has a coating 30b. The corrosion protection structure 14b is formed as a coating 30b. The coating 30b is formed as an anti-corrosion protective layer 16b. Except for the coating 30b, the wire 12b is composed of high-strength steel 74b. The core 76b is made of high-strength steel 74b. The anticorrosion protection layer 16b completely surrounds the wire core 76b in the circumferential direction. The corrosion protection layer 16b has a constant layer thickness 84b. The corrosion protection layer 16b is formed as a zinc-aluminum coating 28b. The zinc aluminum coating 28b has an aluminum content of about 5%. The anti-corrosion protection layer 16b is connected to the wire core 76b in a material fit.

Fig. 17 shows a cross section 22c of the wire 12c formed perpendicular to the extending direction 72c of the wire 12c of the wire mesh device. The wire 12c has a wire core 76c. Wire 12c has anti-corrosion protection structure 14c. The wire 12c has a coating 30c. The corrosion protection structure 14c is formed as a coating 30c. The coating 30c is formed as an anticorrosion protective layer 16c. Except for the coating 30c, the wire 12c is composed of high-strength steel 74c. The wire core 76c is made of high-strength steel 74c. The anti-corrosion protection layer 16c completely surrounds the wire core 76c in the circumferential direction. The corrosion protection layer 16c has a constant layer thickness 84c. The corrosion protection layer 16c is formed as a zinc-aluminum coating 28c. The zinc aluminum coating 28c has an aluminum content of about 5%. The zinc-aluminum coating 28c has at least one additive different from aluminum and/or zinc. The additive constitutes magnesium. The additives include at least 0.5% of the corrosion protection layer 16c. The anti-corrosion protection layer 16c and the wire core 76c are materially connected.

Fig. 18 shows a cross section 22d of the wire 12d formed perpendicular to the extension direction 72d of the wire 12d of the screen device. The wire 12d has a wire core 76d. The wire 12d has an anti-corrosion protection structure 14d. The anti-corrosion protection structure 14d and the wire 12d are formed in a single piece. The wire 12d is made of high-strength steel 74d. The corrosion protection structure 14d is made of high-strength steel 74d. The wire 12d is made of stainless steel 218d and/or anti-rust steel 220d. The anti-corrosion protection structure 14d is made of stainless steel 218d and/or anti-rust steel 220d. The wire core 76d is made of high-strength steel 74d.

Fig. 19 shows a cross section 22e of the wire 12e formed perpendicular to the extending direction 72e of the wire 12e of the screen device. The wire 12e has a wire core 76f. The wire 12e has an anti-corrosion protection structure 14e. The wire 12e has a coating 30e. The corrosion protection structure 14e is formed as a coating 30e. The coating 30e is formed as an anti-corrosion protective layer 16e. Except for the coating 30e, the wire 12e is composed of high-strength steel 74e. The core 76e is made of high-strength steel 74e. The anticorrosion protection layer 16e completely surrounds the wire core 76e in the circumferential direction. The corrosion protection layer 16e has a constant layer thickness 84e. The anti-corrosion protection layer 16e is mostly composed of at least part of organic and/or at least part of inorganic carbon compounds. The anti-corrosion protection layer 16e is at least partially formed as a plastic coating 222e. The anti-corrosion protection layer 16e is at least partially composed of a graphene coating 224e. The anti-corrosion protection layer 16e is connected to the wire core 76e in a material fit.

FIG. 20 shows a cross section 22f of the wire 12f formed perpendicular to the extending direction 72f of the wire 12f of the screen device. The wire 12f has a wire core 76f. The wire 12f has an anti-corrosion protection structure 14f. The wire 12f has a plurality of coatings 30f and 226f. The wire 12f includes two coatings 30f and 226f, of which one coating 30f is configured as an inner coating 228f, and the other coating 226f is configured as an outer coating 230f. The inner coating 228f and the outer coating 230f are composed of coating materials that are at least substantially different from each other. The outer coating 230f completely surrounds the inner coating 228f at least in the circumferential direction. The anti-corrosion protection structure 14f is configured as a plurality of coatings 30f, 226f. The coatings 30f and 226f are formed as two anticorrosion protective layers 16f. Except for the coatings 30f and 226f, the wire 12f is made of high-strength steel 74f. The wire core 76f is made of high-strength steel 74f. The corrosion protection layer 16f completely surrounds the wire core 76f in the circumferential direction. The corrosion protection layer 16f has constant layer thicknesses 84f and 232f. The corrosion protection layer 16f may have different and/or the same layer thickness 84f, 232f. The inner coating 228f is materially connected to the core 76e. The outer coating 230f and the inner coating 228f are connected in a material fit.

Figure 17 shows the screen 44g. The screen 44g is configured as a protective net for protection against falling rocks. The screen 44g has a screen device. The screen device has a plurality of mesh elements 10g joined to each other in number exceeding two. The mesh element 10g is made of 74g of high-strength steel. The net element 10g is formed in an annular closed form. The screen 44g is configured as a ring net 212g. The net element 10g is configured as a ring element 234g of the ring net 212g.

10a: Mesh element

12a: wire

14a: Anti-corrosion protection structure

16a: Anti-corrosion protection layer

20a: circumference

22a: cross section

24a: diameter

26a: Silk surface

30a: Coating

74a: High-strength steel

76a: silk core

78a: wire

80a: zinc coating

82a: Silk surface

84a: layer thickness

Claims (15)

A wire mesh device having at least two mesh elements joined to each other, wherein at least one mesh element is made of at least one monofilament, tow, strand, wire rope and/or other longitudinal elements, and the other longitudinal elements have At least one wire at least partially composed of high-strength steel with a tensile strength of at least 800N/mm ² , wherein the wire has an anti-corrosion protective layer, and the quality per unit area of the anti-corrosion protective layer is at least 300 g/m ^2. Wherein, the mesh element has the shape of a flat compressed spiral structure and has a series of alternating legs and bending parts, wherein the bending parts are connected to two legs respectively, and the legs are bent at the bending parts Angle, it is characterized in that the wire material of the mesh element using the anti-corrosion protective layer has a corrosion resistance of more than 1680 hours in the test experiment by the climate change test, wherein the climate change test is based on the VDA (German Automobile Industry Federation) Recommendation VDA 233-102 for the corrosion resistance test of the anti-corrosion protective layer. For example, the wire mesh device of the first item of the scope of patent application is characterized in that at least one section of the wire material uses the anti-corrosion protection structure, especially the anti-corrosion protection layer in the open storage test, in a strong corrosive environment , Within a limited period of time, with the same length, the same circumference, the same cross section and/or preferably the same diameter of another wire while undergoing the same open storage test, at least approximately the same shaped section using zinc The coating has significantly less corrosion than the coating, and the quality per unit area of the zinc coating is at least 115 g/m ² and preferably at most 215 g/m ² . The wire mesh device according to item 1 or 2 of the aforementioned patent application is characterized in that the anti-corrosion protection layer is formed as a zinc-aluminum coating, especially the aluminum content is about 5%. For example, the wire mesh device of item 3 of the scope of patent application is characterized in that the zinc-aluminum coating has at least one additive different from aluminum and/or zinc, and the additive particularly includes at least 0.5% of an anti-corrosion protective layer. The screen device according to item 1 or 2 of the aforementioned patent application is characterized in that the anti-corrosion protection layer includes at least one coating, and the coating is mostly composed of at least part of organic and/or at least part of inorganic carbon compounds, It is preferably composed of graphene. For example, the wire mesh device according to item 1 or 2 of the aforementioned patent application is characterized in that at least one section of the wire material has the anti-corrosion protective layer in at least one test experiment, and the anti-corrosion protective structure withstands the corrosion without damage The wires are respectively bent back and forth at least M times in opposite directions around at least one curved cylinder with a diameter of at most 8d at at least 90°, where M can be determined as C by rounding when necessary. R ^-0.5 . d ^-0.5 , and where d is the diameter of the wire in mm, and R is the tensile strength of the wire in N. mm ^-2 , and C is at least 750N ^0.5 . mm factor of ^0.5 . For example, the wire mesh device according to item 1 or 2 of the aforementioned patent application is characterized in that at least one section of the wire material has the anti-corrosion protective layer in at least one test experiment, and the anti-corrosion protective structure withstands the corrosion without damage The wire is twisted N times, where N can be determined as B by rounding when necessary. R ^-0.5 . d ^-0.5 , and where d is the diameter of the wire in mm, and R is the tensile strength of the wire in N. mm ^-2 , and B is at least 960N ^0.5 . mm factor of ^0.5 . The wire mesh device of item 1 or 2 of the aforementioned patent application is characterized in that at least one section of the wire material has the anti-corrosion protective layer in at least one test experiment, and the anti-corrosion protective structure withstands damage without damage The wire is wound around a winding mandrel, the diameter of the winding mandrel at least approximately corresponding to the diameter of the wire. A screen having a screen device as the first item in the scope of the aforementioned patent application, the screen device having a plurality of mesh elements joined to each other in number exceeding two. A method for manufacturing the screen of the 9th patent application, wherein the screen is made of the screen device of the 1 or 2 patent application. A method for identifying a suitable wire made of high-strength steel for the wire mesh device of the first or second patent application, characterized in that the corrosion resistance of the test piece of the wire, especially by The corrosion resistance of the test piece of the silk braid formed by the wire material was determined by the climate change test. A method for manufacturing the wire mesh device of item 1 or 2 of the scope of patent application, characterized in that the wire used to form the mesh element is bent with a bending radius, which is greater than 5 mm in each working step. A method for manufacturing the wire mesh device of item 1 or 2 of the scope of patent application, characterized in that the wire used to form the mesh element is bent at a bending speed of less than 360 degrees/sec. A method for manufacturing the wire mesh device of item 1 or 2 of the scope of patent application, characterized in that, during the coating of the wire material, the coating temperature is kept below 440°C in each working step. For example, the method according to item 14 of the scope of patent application is characterized in that the heat acting on the wire during the coating of the wire is used to increase the tensile strength of the wire.

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